code: def _from_java(jtbm):
      return tblockmatrix(
          dtype(jtbm.elementType().toString()),
          jiterable_to_list(jtbm.shape()),
          jtbm.isRowVector(),
          jtbm.blockSize(),
      )
  
file_path: hail/hail/python/hail/expr/blockmatrix_type.py
imports: import pprint
  from hail.typecheck import typecheck_method, sequenceof
  from hail.utils.java import jiterable_to_list
  from hail.expr.types import dtype, hail_type
label_desc: Use image node_id 1 for calling the tblockmatrix obj's underlying member method code with example usage: obj._from_java(jtbm) and returns: tblockmatrix